Linux Shell Scripting with Bash

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Many computer terminals and terminal emulators support color and cursor control through a system of escape sequences. One such standard is commonly referred to as ANSI Color. Several terminal specifications are based on the ANSI color standard, including VT100.

The following is a partial listing of the VT100 control set.

<ESC> represents the ASCII "escape" character, 0x1B. Bracketed tags represent modifiable decimal parameters; eg. {ROW} would be replaced by a row number.


Files

The following commands are used for file manipulation:

Create a directory

mkdir [-p] [-m mode] directory_name ...
mkdir creates the directories named as operands, in the order specified, using mode rwxrwxrwx (0777) as modified by the current umask(2).

The options are as follows:

-m
Set the file permission bits of the final created directory to the specified mode. The mode argument can be in any of the for- mats specified to the chmod(1) utility. If a symbolic mode is specified, the operation characters ``+'' and ``-'' are inter- preted relative to an initial mode of ``a=rwx''.
-p
Create intermediate directories as required. If this option is not specified, the full path prefix of each operand must already exist. Intermediate directories are created with permission bits of rwxrwxrwx (0777) as modified by the current umask, plus write and search permission for the owner. Do not consider it an error if the argument directory already exists.

The user must have write permission in the parent directory.


Other

The following commands are used for other stuff:
Some Command	
  • Does something.


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